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SKU: AMP-ENG-303BK
ALTA 02-06 Mini Cooper S/JCW & 02-08 S/JCW Convertible R53 Silicone Boost Couplers - Black
ALTA Silicone Boost Couplers in black replace the factory plastic boost hoses on 2002-2006 Mini Cooper S/JCW hatchback and 2002-2008 S/JCW Convertible R53 models. Stock hoses crack and leak under supercharger boost pressure leading to power loss. These 4-ply reinforced silicone couplers deliver secure connections withstand high pressures and maintain consistent boost for stronger acceleration.
Key Features
- 4-Ply Aramid Reinforcement: Built to handle 50 PSI burst pressure without ballooning or failure during aggressive driving.
- High-Temperature Silicone: Rated from -65°F to 482°F for reliable performance in all conditions including track use.
- Exact OEM Dimensions: Direct replacement with identical shape and size for plug-and-play installation on R53 supercharged engines.
- Black Finish: Durable powder-coated appearance resists cracking fading and oil exposure for long-lasting looks.
- Includes Stainless Steel Clamps: T-bolt clamps ensure airtight seals and easy adjustment during install.
Product Notes
- Inspect existing boost piping for wear before replacement to ensure full system integrity.
- Clean mating surfaces thoroughly with isopropyl alcohol for optimal adhesion.
- Packaged in protective foam-lined box to prevent shipping damage.
Installation Notes
- Professional installation recommended.
- Remove stock plastic couplers by loosening OEM clamps and sliding off intercooler and throttle body connections.
- Compatible with stock hardware and aftermarket intercoolers like ALTA FMIC kits.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Mini | Cooper S | R53 Hatchback |
| 2005-2006 | Mini | Cooper S | JCW R53 Hatchback |
| 2002-2008 | Mini | Cooper S | Convertible R52/R53 |
| 2005-2008 | Mini | Cooper S | JCW Convertible |
Why Choose ALTA?
- 20+ years engineering performance parts for Mini Cooper supercharged models.
- Made in USA with aerospace-grade materials for consistent quality.
- Backed by limited lifetime warranty against manufacturing defects.
Frequently Asked Questions
-
Q: Will these fit both hatchback and convertible R53 models?
A: Yes they match OEM routing on 2002-2006 S/JCW hatchbacks and 2002-2008 convertible supercharged variants. -
Q: What makes the silicone different from stock?
A: 4-ply reinforced construction resists cracking under 15+ PSI boost unlike brittle factory plastic. -
Q: Does installation require special tools?
A: Standard pliers and screwdriver suffice includes new clamps no cutting or fabrication needed.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact 10 x 6 x 4 inch box with foam inserts
- Weight: 0.9 lbs
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